Typography is one of the fundamentals of Designing, and is a priority part of Web and Graphics Design. Typography is one of those factors which are among the top of checklists while designing a blog or website.
I love typography and I find myself spend lot of time trying font combinations, not only on my blogs, but I try the combinations on other sites too(Firebug). Discovering new fonts, and using them on new projects is very useful. It helps you updated on the latest typography trends.
Below is beautifully designed Infographics by Creative Market, representing the history of Typography.
The Infographic is very informative and features all the information one needs to know about the evolution and changes in the history of typography.